huawei y600-u20 dead when i try to flash with sp flash tool (v5.1352.01)

huawei y600-u20 dead when i try to flash with sp flash tool (v5.1352.01)

i was selected firmware upgrade and i tried to flash, after that mobile no respond ,fully dead,
i used firmware was official firmware from huawei website, 
now i try to flash coming this error